Highest genetic diversity at the northern range limit of the rare orchid Isotria medeoloides

@article{Stone2012HighestGD,
  title={Highest genetic diversity at the northern range limit of the rare orchid Isotria medeoloides},
  author={Judy L. Stone and Patricia A. Crystal and Emily E Devlin and R H LeB Downer and Donald J. S. Cameron},
  journal={Heredity},
  year={2012},
  volume={109},
  pages={215-221}
}
Populations in previously glaciated regions are often genetically depauperate in comparison with populations at lower latitudes, due either to bottlenecks experienced in post-glacial colonization or to contemporary genetic drift in small, peripheral populations. Populations of the rare self-fertilizing North American orchid Isotria medeoloides are largest in the previously glaciated region near the northern range limit, allowing us to examine the role of historical versus contemporary processes… CONTINUE READING
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